I did it

Let’s face it: Big Sean get’s a lot of popularity and radio time from his adlibs. The man could be yelling gibberish but make it sound catchy and have kids yelling the same thing. His most well known adlib has to be “I Do It”, after which he has a song titled.

If you take this literally, he does it. Past tense would be, he did it. Nothing too complicated there, folks.